Analysis

  • max time kernel
    161s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 12:04

General

  • Target

    INDUS INTL- RFQ(inquiry _list)pht.exe

  • Size

    682KB

  • MD5

    9ad03cd97e4d83bf3bd9f1a2407a4242

  • SHA1

    8f1ced189e835e117388cac76fc68b4810b22a94

  • SHA256

    b2ac207f4af2ee08fd955e71ccfb0c95b07098f0dc88eb2fbe48fb9e1f52c022

  • SHA512

    197ef4db7b2b205fb54bfff024466fa0e90e25ba8db0d59e0532088bb11950a75331c1c8bae212528a819e6315055df16aa60a972abc9fd20833bafe530e67f8

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sWalzdY4

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla Payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INDUS INTL- RFQ(inquiry _list)pht.exe
    "C:\Users\Admin\AppData\Local\Temp\INDUS INTL- RFQ(inquiry _list)pht.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5036
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QlCnxlaozyf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3999.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1964
    • C:\Users\Admin\AppData\Local\Temp\INDUS INTL- RFQ(inquiry _list)pht.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2432

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\INDUS INTL- RFQ(inquiry _list)pht.exe.log

    Filesize

    507B

    MD5

    8cf94b5356be60247d331660005941ec

    SHA1

    fdedb361f40f22cb6a086c808fc0056d4e421131

    SHA256

    52a5b2d36f2b72cb02c695cf7ef46444dda73d4ea82a73e0894c805fa9987bc0

    SHA512

    b886dfc8bf03f8627f051fb6e2ac40ae2e7713584695a365728eb2e2c87217830029aa35bd129c642fa03dde3f7a7dd5690b16248676be60a6bb5f497fb23651

  • C:\Users\Admin\AppData\Local\Temp\tmp3999.tmp

    Filesize

    1KB

    MD5

    996594ab9687bb267ffc85415395dc03

    SHA1

    61b487a3eb580673037b509c848ddb9a7653b81a

    SHA256

    20fe721cbe770b4eab435247d3528dc1bdbb40d0d23a318a57c5f0104178e0b6

    SHA512

    7c8e3a4268f0894a1f5dceaa4f26f997405c1b4d0b9af465c5cd7ded1645b733c6deb88fef426e61d566e1bce63556dd32b1f0af46ad7d4eba4aefee3f8124d5

  • memory/1964-134-0x0000000000000000-mapping.dmp

  • memory/2432-136-0x0000000000000000-mapping.dmp

  • memory/2432-137-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/2432-139-0x0000000006130000-0x0000000006196000-memory.dmp

    Filesize

    408KB

  • memory/2432-140-0x00000000067F0000-0x0000000006840000-memory.dmp

    Filesize

    320KB

  • memory/5036-130-0x0000000000730000-0x00000000007E0000-memory.dmp

    Filesize

    704KB

  • memory/5036-131-0x0000000007EB0000-0x0000000008454000-memory.dmp

    Filesize

    5.6MB

  • memory/5036-132-0x00000000079E0000-0x0000000007A72000-memory.dmp

    Filesize

    584KB

  • memory/5036-133-0x0000000007B20000-0x0000000007BBC000-memory.dmp

    Filesize

    624KB